Agilent Technologies 6002A Betriebsanweisung PDF herunterladen (Seite 233)

Test II. Event Deadzone D Single-Mode/Multimode Module Performance Tests

E6000C Mini-OTDR User’s Guide, E0302

233

of the reflection. Set the measurement span to start

position+2 km.

ETTINGS}<RANGE><RANGE INPUT...>. Use Cursor keys

to specify Start and Span. Confirm with OK.

NOTE The start position should be a little before the front edge

of the reflection. For example, if the reflection is at 2.2

km, use a start position of 2 km.

Start measurement 12 Run the measurement.

Run/Stop

Position markers 13 Position marker A on top of the first reflection on the

trace.

P (A/B) until only A is highlighted. Use LEFT/RIGHT

keys to set marker A

14 Position marker B about 5 m right from marker A.

P (A/B) until only B is highlighted. Use LEFT/RIGHT

keys to set marker B.

P (A/B) until only A is highlighted. Use LEFT/RIGHT

keys. Use D

OWN (Around A) to get better resolution.

Set scales and offset 15 Set the y-axis scale to 0.5 dB/Div and the x-axis to 0.5

m/Div.

{<==> Z

OOM} → 0.5 m/Div and [⇑ ⇓ Zoom] → 0.5 dB/

Div. Close by OK.

16 Select offset, and move the peak of the reflection 3

divisions (1.5 dB) above the center of the graph.

IEW}<ADJUST V-OFFSET>. Use LEFT/RIGHT keys. Press

ELECT to Confirm.

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Agilent Technologies 6002A Betriebsanweisung Seite 233